<!doctype html>
<html>
<body>
    <script type="text/javascript">
    var request = new XMLHttpRequest();
    request.open('POST', 'requestbodyhandler:about', /* async = */ false);
    request.setRequestHeader('Content-Type', 'text/plain');
    request.send('reading request body successful');
    console.log("TST_REQUESTBODY;" + request.response);
    </script>
</body>
</html>
